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Diffstat (limited to 'winsup/cygwin/fhandler_floppy.cc')
-rw-r--r--winsup/cygwin/fhandler_floppy.cc316
1 files changed, 0 insertions, 316 deletions
diff --git a/winsup/cygwin/fhandler_floppy.cc b/winsup/cygwin/fhandler_floppy.cc
deleted file mode 100644
index 2d17d99e6..000000000
--- a/winsup/cygwin/fhandler_floppy.cc
+++ /dev/null
@@ -1,316 +0,0 @@
-/* fhandler_floppy.cc. See fhandler.h for a description of the
- fhandler classes.
-
- Copyright 1999, 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include "winsup.h"
-#include <sys/termios.h>
-#include <unistd.h>
-#include <winioctl.h>
-#include <asm/socket.h>
-#include <cygwin/hdreg.h>
-#include <cygwin/fs.h>
-#include "security.h"
-#include "path.h"
-#include "fhandler.h"
-#include "cygerrno.h"
-
-/**********************************************************************/
-/* fhandler_dev_floppy */
-
-int
-fhandler_dev_floppy::is_eom (int win_error)
-{
- int ret = (win_error == ERROR_INVALID_PARAMETER);
- if (ret)
- debug_printf ("end of medium");
- return ret;
-}
-
-int
-fhandler_dev_floppy::is_eof (int)
-{
- int ret = 0;
- if (ret)
- debug_printf ("end of file");
- return ret;
-}
-
-fhandler_dev_floppy::fhandler_dev_floppy ()
- : fhandler_dev_raw ()
-{
-}
-
-int
-fhandler_dev_floppy::open (int flags, mode_t)
-{
- /* The correct size of the buffer would be 512 bytes,
- * which is the atomic size, supported by WinNT.
- * Unfortunately, the performance is worse than
- * access to file system on same device!
- * Setting buffer size to a relatively big value
- * increases performance by means.
- * The new ioctl call with 'rdevio.h' header file
- * supports changing this value.
- *
- * Let's be smart: Let's take a multiplier of typical tar
- * and cpio buffer sizes by default!
- */
- devbufsiz = 61440L; /* 512L; */
- return fhandler_dev_raw::open (flags);
-}
-
-int
-fhandler_dev_floppy::close (void)
-{
- int ret;
-
- ret = writebuf ();
- if (ret)
- {
- fhandler_dev_raw::close ();
- return ret;
- }
- return fhandler_dev_raw::close ();
-}
-
-_off64_t
-fhandler_dev_floppy::lseek (_off64_t offset, int whence)
-{
- int ret;
- char buf[512];
- _off64_t drive_size = 0;
- _off64_t lloffset = offset;
- _off64_t current_position;
- _off64_t sector_aligned_offset;
- _off64_t bytes_left;
- DWORD low;
- LONG high = 0;
-
- DISK_GEOMETRY di;
- PARTITION_INFORMATION pi;
- DWORD bytes_read;
-
- if (!DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL, 0,
- &di, sizeof (di),
- &bytes_read, NULL))
- {
- __seterrno ();
- return -1;
- }
- debug_printf ("disk geometry: (%ld cyl)*(%ld trk)*(%ld sec)*(%ld bps)",
- di.Cylinders.LowPart,
- di.TracksPerCylinder,
- di.SectorsPerTrack,
- di.BytesPerSector);
- if (DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_PARTITION_INFO,
- NULL, 0,
- &pi, sizeof (pi),
- &bytes_read, NULL))
- {
- debug_printf ("partition info: %ld (%ld)",
- pi.StartingOffset.LowPart,
- pi.PartitionLength.LowPart);
- drive_size = pi.PartitionLength.QuadPart;
- }
- else
- {
- drive_size = di.Cylinders.QuadPart * di.TracksPerCylinder *
- di.SectorsPerTrack * di.BytesPerSector;
- }
- debug_printf ("drive size: %ld", drive_size);
-
- if (whence == SEEK_END && drive_size > 0)
- {
- lloffset = offset + drive_size;
- whence = SEEK_SET;
- }
-
- if (whence == SEEK_CUR)
- {
- low = SetFilePointer (get_handle (), 0, &high, FILE_CURRENT);
- if (low == INVALID_SET_FILE_POINTER && GetLastError ())
- {
- __seterrno ();
- return -1;
- }
- current_position = low + ((_off64_t) high << 32);
- if (is_writing ())
- current_position += devbufend - devbufstart;
- else
- current_position -= devbufend - devbufstart;
-
- lloffset += current_position;
- whence = SEEK_SET;
- }
-
- if (lloffset < 0 ||
- drive_size > 0 && lloffset > drive_size)
- {
- set_errno (EINVAL);
- return -1;
- }
-
- /* FIXME: sector can possibly be not 512 bytes long */
- sector_aligned_offset = (lloffset / 512) * 512;
- bytes_left = lloffset - sector_aligned_offset;
-
- if (whence == SEEK_SET)
- {
- /* Invalidate buffer. */
- ret = writebuf ();
- if (ret)
- return ret;
- devbufstart = devbufend = 0;
-
- low = sector_aligned_offset & UINT32_MAX;
- high = sector_aligned_offset >> 32;
- if (SetFilePointer (get_handle (), low, &high, FILE_BEGIN)
- == INVALID_SET_FILE_POINTER && GetLastError ())
- {
- __seterrno ();
- return -1;
- }
-
- size_t len = bytes_left;
- raw_read (buf, len);
- return sector_aligned_offset + bytes_left;
- }
-
- set_errno (EINVAL);
- return -1;
-}
-
-int
-fhandler_dev_floppy::ioctl (unsigned int cmd, void *buf)
-{
- DISK_GEOMETRY di;
- PARTITION_INFORMATION pi;
- DWORD bytes_read;
- _off64_t drive_size = 0;
- _off64_t start = 0;
- switch (cmd)
- {
- case HDIO_GETGEO:
- {
- debug_printf ("HDIO_GETGEO");
- if (!DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL, 0,
- &di, sizeof (di),
- &bytes_read, NULL))
- {
- __seterrno ();
- return -1;
- }
- debug_printf ("disk geometry: (%ld cyl)*(%ld trk)*(%ld sec)*(%ld bps)",
- di.Cylinders.LowPart,
- di.TracksPerCylinder,
- di.SectorsPerTrack,
- di.BytesPerSector);
- if (DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_PARTITION_INFO,
- NULL, 0,
- &pi, sizeof (pi),
- &bytes_read, NULL))
- {
- debug_printf ("partition info: %ld (%ld)",
- pi.StartingOffset.LowPart,
- pi.PartitionLength.LowPart);
- start = pi.StartingOffset.QuadPart >> 9ULL;
- }
- struct hd_geometry *geo = (struct hd_geometry *) buf;
- geo->heads = di.TracksPerCylinder;
- geo->sectors = di.SectorsPerTrack;
- geo->cylinders = di.Cylinders.LowPart;
- geo->start = start;
- return 0;
- }
- case BLKGETSIZE:
- case BLKGETSIZE64:
- {
- debug_printf ("BLKGETSIZE");
- if (!DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL, 0,
- &di, sizeof (di),
- &bytes_read, NULL))
- {
- __seterrno ();
- return -1;
- }
- debug_printf ("disk geometry: (%ld cyl)*(%ld trk)*(%ld sec)*(%ld bps)",
- di.Cylinders.LowPart,
- di.TracksPerCylinder,
- di.SectorsPerTrack,
- di.BytesPerSector);
- if (DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_PARTITION_INFO,
- NULL, 0,
- &pi, sizeof (pi),
- &bytes_read, NULL))
- {
- debug_printf ("partition info: %ld (%ld)",
- pi.StartingOffset.LowPart,
- pi.PartitionLength.LowPart);
- drive_size = pi.PartitionLength.QuadPart;
- }
- else
- {
- drive_size = di.Cylinders.QuadPart * di.TracksPerCylinder *
- di.SectorsPerTrack * di.BytesPerSector;
- }
- if (cmd == BLKGETSIZE)
- *(long *)buf = drive_size >> 9UL;
- else
- *(_off64_t *)buf = drive_size;
- return 0;
- }
- case BLKRRPART:
- {
- debug_printf ("BLKRRPART");
- if (!DeviceIoControl (get_handle (),
- IOCTL_DISK_UPDATE_DRIVE_SIZE,
- NULL, 0,
- &di, sizeof (di),
- &bytes_read, NULL))
- {
- __seterrno ();
- return -1;
- }
- return 0;
- }
- case BLKSSZGET:
- {
- debug_printf ("BLKSSZGET");
- if (!DeviceIoControl (get_handle (),
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL, 0,
- &di, sizeof (di),
- &bytes_read, NULL))
- {
- __seterrno ();
- return -1;
- }
- debug_printf ("disk geometry: (%ld cyl)*(%ld trk)*(%ld sec)*(%ld bps)",
- di.Cylinders.LowPart,
- di.TracksPerCylinder,
- di.SectorsPerTrack,
- di.BytesPerSector);
- *(int *)buf = di.BytesPerSector;
- return 0;
- }
- default:
- return fhandler_dev_raw::ioctl (cmd, buf);
- }
-}
-
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